RayClean

Unrivalled performance!: Proven effective in all water salinities and temperatures and with UV-T (UV-Transmission) as low as 0.33.
This ensures compliance with IMO and USCG under all normal operating conditions
.

RayClean

Lowest energy consumption in class! Thanks to the use of highly efficient low pressure UV lamps the RayClean power consumption is 30 - 50% lower than systems with medium pressure UV lamps.

Thorough testing

Our systems are developed to achieve the lowest possible lifetime cost while still ensuring compliance under all normal operating conditions. This will add to your competitive edge by keeping the daily operating cost as low as possible.

RayClean

No chemicals! No chemicals means no risk of increased corrosion, no handling of hazardous material, no logistic setup for supply of chemicals and no risk to the environment.

Increasing your competitive edge!

Our systems are developed to achieve the lowest possible lifetime cost while still ensuring compliance under all normal operating conditions. This will add to your competitive edge by keeping the daily operating cost as low as possible.

Products

RayCleanTM Ballast Water Treatment System is the leading system in the marine industry with unrivalled treatment performance and lowest energy consumption in class.
 

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Services

We offer a wide range of services, from delivery of system in loose components to full turnkey solutions and service agreements.


 

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Approvals

Our systems are thoroughly tested and certified by reputed and independent 3rd party test institutes and classification societies. Our systems are designed and tested to meet both IMO and US Coast Guard standards.

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Why DESMI?

Try us! And compare the RayCleanTM solution to competing systems. Understand our unique offering in terms of proven technology, compliance, world-wide support and the DESMI commitment to make your business stronger.

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Recent Headlines

New OptiClean™ project with shipowner Jens & Waller

After a very successful SMM exhibition DESMI Ocean Guard is now hard at work with the first OptiClean™ project.
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The Global Ballast Water Management Convention has been ratified

The latest accession by Finland has resulted in a ratification of the BWM Convention and the act will enter into force September 2017
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RayClean receives Lloyd's Register Group Design Appraisal

DESMI Ocean Guard A/S is pleased to announce that Lloyd’s Register Group has issued a Design Appraisal for the RayClean Ballast Water Treatment System.
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US Coast Guard’s decision to reject the MPN test method

DESMI Ocean Guard’s appeal of US Coast Guard’s decision to reject the MPN test method has been denied by USCG
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Join DESMI Ocean Guard at BWMTech North America

Get a special 25% VIP discount at the BWMTech in Miami - 27 - 29 September 2016
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DESMI Ocean Guard receives ATEX certification

DESMI Ocean Guard receives ATEX certification for its RayClean-EXTM ballast water treatment system, enabling installation in hazardous areas on tanker vessels.
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Fast Pace Turnkey Solution for Nordana

From Septemper 2015 to January 2016, DESMI Ocean Guard prepared and installed a RayClean 300 system along with a wide range of associated components under difficult and time pressured circumstances
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Global support gathers for the acceptance of the MPN Method

DESMI Ocean Guard A/S announces that it will appeal US Coast Guard’s preliminary decision to not accept the MPN method for type approval testing of ballast water treatment systems.
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RayClean Type Approval ClassNK

Japanese Classification Society Class-NK has issued type approval certificate for the RayClean ballast water treatment system
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The BWM Convention is at a tipping point

Morocco and Indonesia has ratified the Ballast Water Management Convention - an act that might put the whole convention in to force.
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DESMI Ocean Guard wins contract for Maersk Line

DESMI Ocean Guard A/S announces that it will supply 14 RayClean™ ballast water treatment systems to a series of new container vessels to be built at COSCO Zhoushan shipyard in China, for the Danish shipping giant Maersk Line.
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DESMI Ocean Guard to speak at BWMTech

Mr. Rasmus Folsø, CEO of DESMI Ocean Guard A/S, will be sharing experiences about the US Coast Guard approval process at the upcoming BWMTech conference in London, 8-10 December 2015
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BWMTech in London 8-10th of December

Save 25% with DESMI Ocean Guard and join the Ballast Water Management Technology Conference, taking place December 2015 in London.
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UV ballast water treatment close to US approval

Shipowners have found it increasingly difficult to comply with bwt regulations in the US. But there’s good news
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BWMTech North America 24-25 September 2015, Miami

We are participating in the Ballast Water Management Technology North America Conference
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DESMI’s RayClean BWTS earns US Coast Guard AMS acceptance

The AMS acceptance covers all salinities ranging from freshwater to marine water, something that only 8 out of 52 issued AMS acceptances have achieved to date.
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DESMI Ocean Guard ends 2014 with orders from 3. Maj Shipyard in Croazia

DESMI Ocean Guard are thus ending 2014 on a strong note and look forward to continuing the upward trend throughout 2015.
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Danish Maritime Fair 2014

Bella Center in Copenhagen opens its doors to Danish Maritime Fair on 7 – 10 October 2014.
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RayClean has received IMO and DNV type approval

DNV GL issued type approval certificate for the RayClean system.
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DESMI Ocean Guard shares sold to DESMI A/S

A.P. Moller - Maersk A/S and UltraAqua A/S have sold their shares in DESMI Ocean Guard A/S to DESMI A/S.
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Sustainable water environment for the coming generations

DESMI Ocean Guard showing coming engineers how to ensure a sustainable water environment for the coming generations
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5 Years Anniversary in DESMI Ocean Guard

Reaching the age of 5 years is accomplished and we are very proud.
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Type Approval ClassNK

The Japanese Classification Society Class-NK has issued type approval certificate
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Posidonia 2014

DESMI Ocean Guard A/S participates in POSIDONIA 2014 exhibition from June 2’nd to 6’th.
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Selecting the right ballast water treatment system

Shipowners spend time and resources to evaluate the many different ballast water treatment systems (BWTS) on the market
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SEA-JAPAN 2014 exhibition

DESMI Ocean Guard A/S participates in SEA-JAPAN 2014 exhibition from April 9’th to 11’th.
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US Coast Guard clarification regarding UV treatment

Clarification regarding Coast Guard Type Approval of Ballast Water Management Systems using ultraviolet radiation
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Article from Industry Europe

Industry Europe has an article in this number of their magazine.
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Order for four RayClean systems

We are happy to announce that we on November 20’th 2013 received orders for four RayClean ballast water treatment systems.
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AMS Acceptance from the US Coast Guard

As the first in the world OxyCleanTM receives AMS acceptance from the US Coast Guard
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RayClean landbased testing finalized

DESMI Ocean Guard has now finalized the required landbased testing with the RayClean system
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Royal visit at DESMI Ocean Guard Headquarters

His Royal Highness Crown Prince Frederik of Denmark and Mrs Ida Auken, Minister of Environment, visited DESMI today.
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Product release - RayClean

DESMI Ocean Guard A/S is proud to announce the release of a new Ballast Water Treatment System:
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ABS Type Approval

We are happy to announce that we have received the ABS Type Approval on our OxyClean Ballast Water Treatment System.
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Containerised BWTS solution tested by A.P. Moller-Maersk

The OxyCleanTM system based on UV and ozone has done successful testing in both fresh, brackish and salt water.
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DNV concludes safety assessment

DNV has conducted a safety assessment of DESMI Ocean Guard’s ballast water treatment system OxyCleanTM
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Ships travelling in regions with fresh water conditions may face challenges

The first non-chemical system on the market which has passed the land-based tests also in fresh water
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OxyClean G8 type approval

Our OxyClean Ballast Water Treatment System tested for use also in fresh water is now type approved by Lloyds Register of Ships!
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MEPC grants final approval

IMO Marine Environment Protection Committee (MEPC) has decided to grant Final Approval to DESMI Ocean Guard.
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Licence agreement

DESMI Pumping Technology A/S has been awarded the global exclusivity for marketing, sales and manufacturing of DESMI Ocean Guard ballast water treatment systems
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Final approval recommendation

The IMO Ballast Water Working Group (BWWG) under GESAMP has concluded their evaluation of our application for Final Approval
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Delay in final approval

The IMO final approval of our BWMS was anticipated on the MEPC63 meeting to be held in March 2012. Unfortunately, this will not be the case
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DESMI Ocean Guard has successfully concluded corrosion tests

Tests have been conducted to ascertain that the DESMI Ocean Guard system does not introduce an increased threat of corrosion or coating breakdown in the ballast tanks.
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Ballast water tests show that fresh water offers unique challenges

Download our article from BIMCO
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Tests Warn Ship-Owners About Possible Shortcomings of IMO-Approved BWTS

The test water is treated in three steps; filtration, UV radiation and ozone generated in-situ by the UV-system
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New Managing Director in DESMI Ocean Guard A/S

Rasmus Folsø will join DESMI Ocean Guard A/S as Managing Director as of 1 December 2011
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Successful land-based test completed at DHI

DESMI Ocean Guard A/S is proud to announce that the land-based test of our Ballast Water Treatment System has been successfully completed at the DHI test facility, Denmark.
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DESMI has Ballast Water Treatment under control

DESMI A/S and DESMI Ocean Guard A/S have entered into a co-operation agreement on the sale of ballast water treatment systems.
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DESMI Ocean Guard Gets Basic Approval

DESMI Ocean Guard has now officially received the IMO Basic Approval of our Ballast Water Treatment Plant.
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New strategic Partnership to boost protection of local maritime eco systems

A.P. Moller - Maersk, Skjølstrup & Grønborg (UltraAqua) and DESMI are pleased to announce the establishment of DESMI Ocean Guard A/S
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Come visit us at BWMTech North America

Practical Considerations in the Countdown to Ratification at BWMTech North America, Miami the 27-29th of September

I’m interested. Tell me more

Come visit us at Shiptec 2016

Marine Equipment and offshore engineering exhibition taking place 25-28th of October in Dalian, China.

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